Front

What is the electron configuration of aluminum?

Back

1s² 2s² 2p⁶ 3s² 3p¹

Front

How many unpaired electrons are in an atom of aluminum?

Back

1

Front

How many electrons can the d sublevel hold?

Back

10

Front

What is the electron configuration of chlorine?

Back

1s² 2s² 2p⁶ 3s² 3p⁵

Front

How many paired electrons are in an atom of chlorine?

Back

16

Front

What is the charge of an atom that has gained one electron?

Back

-1

Front

Choose the noble gas configuration for iodine.

Back

[Kr] 5s² 4d¹⁰ 5p⁵

Front

What is the maximum number of electrons in the p sublevel?

Back

6

Front

What is the maximum number of electrons in the s sublevel?

Back

2

Front

What is the principle behind the Aufbau principle?

Back

Electrons occupy the lowest energy orbitals first.